如何为使用uiviewcontroller的方法创建一个类

I am thinking that how can I make a class for twitter or facebook or anything. So just I import that class to my project and it start working with one code. For example. If I use twitter framework then I have to write its functions. I just want to make a class of that funcation which will work on my all future projects by just importing it. example:I am thinking that how can I make a class for t